There are
818 mi
from Boynton Beach, FL to Sevierville, TN
That's the driving distance. It would take 15 hours 8 mins to go from Boynton Beach, Florida to Sevierville, Tennessee.
The flight distance (direct flight from Boynton Beach, FL to Sevierville, TN) is 677.63 mi.
818 mi = 1,316.38 kms